commit e93ec901a6d0923a835583f61e5d3f0d304c20a2
author Michael Ryleev <gmar@google.com> Tue Mar 21 12:17:02 2017 -0700
committer Michael Ryleev <gmar@google.com> Tue Jan 23 15:08:33 2018 -0800
tree 0cb74cdbe74bd341d74a071d70519dad7ca20a8a
parent c2d57454d6ed1cc377b99195d7877df9ab36fbd7

[reflist] Make destroy callback optional for obj_del_ref call

This is required to support cases when access to reflist requires
external locking and destroy callback cannot be invoked with such
lock held. In this case caller has to check return value and then
invoke destroy routine.

Change-Id: I970aa4ff5bff7f030c4a50fc8836f0bd44b8ecca

include/reflist.h

diff --git a/include/reflist.h b/include/reflist.h
index b6d28ad..0fcd27e 100644
--- a/include/reflist.h
+++ b/include/reflist.h
@@ -73,7 +73,7 @@
 
 	list_delete(&ref->ref_node);
 	dead = list_is_empty(&obj->ref_list);
-	if (dead)
+	if (dead && destroy)
 		destroy(obj);
 	return dead;
 }